A) artificially acquired active immunity
B) artificially acquired passive immunity
C) naturally acquired passive immunity
D) specific natural immunity
Correct Answer: B
Solution :
Immunity conferred by recovering from an infectious disease such as chickenpox is called active immunity. In passive immunity antibodies transferred from one individual to another. The best medicine to treat snake bite is an antivenin or antivenom serum which provides artificially acquired passive immunity. An antivenin is prepared by injecting a horse with gradually increasing doses of a snake venom, untill the horse become fully immunized. Blood serum of horse is collected and preserved.
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